Chromosome for sex determination

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In butterflies, sex is determined by the ZW sex-determination system. Female butterflies are heterogametic and have both a Z sex chromosome and a W sex chromosome for sex determination. In contrast, male butterflies are homogametic and have two Z sex chromosomes. Select all of the relatives from which a female butterfly could have inherited her Z sex chromosome.

Select all of the relatives from which a female butterfly could have inherited her Z sex chromosome:

1- paternal grandmother. 2- father. 3- mother. 4- maternal grandfather.

Reference no: EM131940572

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